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[PATCH] Diffcore updates.

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This moves the path selection logic from individual programs to a new
diffcore transformer (diff-tree still needs to have its own for
performance reasons).  Also the header printing code in diff-tree was
tweaked not to produce anything when pickaxe is in effect and there is
nothing interesting to report.  An interesting example is the following
in the GIT archive itself:

    $ git-whatchanged -p -C -S'or something in a real script'

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Junio C Hamano
2005-05-22 10:04:37 -07:00
committed by Linus Torvalds
parent 26dee0adfc
commit 6b14d7faf0
11 changed files with 266 additions and 168 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
diff-helper.c
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@ -77,11 +77,11 @@ int main(int ac, const char **av) {
else if (av[1][1] == 'P') /* hidden from the help */
diff_output_style = DIFF_FORMAT_MACHINE;
else if (av[1][1] == 'M') {
detect_rename = 1;
detect_rename = DIFF_DETECT_RENAME;
diff_score_opt = diff_scoreopt_parse(av[1]);
}
else if (av[1][1] == 'C') {
detect_rename = 2;
detect_rename = DIFF_DETECT_COPY;
diff_score_opt = diff_scoreopt_parse(av[1]);
}
else if (av[1][1] == 'S') {
@ -93,7 +93,7 @@ int main(int ac, const char **av) {
}
/* the remaining parameters are paths patterns */
diff_setup(reverse_diff, diff_output_style);
diff_setup(reverse_diff);
while (1) {
int status;
read_line(&sb1, stdin, line_termination);
@ -121,14 +121,17 @@ int main(int ac, const char **av) {
status = parse_diff_raw(sb1.buf+1, NULL, NULL);
if (status) {
unrecognized:
diff_flush(av+1, ac-1);
diff_flush(diff_output_style);
printf("%s%c", sb1.buf, line_termination);
}
}
if (detect_rename)
diff_detect_rename(detect_rename, diff_score_opt);
diffcore_rename(detect_rename, diff_score_opt);
diffcore_prune();
if (pickaxe)
diff_pickaxe(pickaxe);
diff_flush(av+1, ac-1);
diffcore_pickaxe(pickaxe);
if (ac)
diffcore_pathspec(av + 1);
diff_flush(diff_output_style);
return 0;
}